Jockers, K. Department Planets and Comets, Max Planck Institute for Solar System Research, Max Planck Society; MPI for Aeronomy, Max Planck Institute for Solar System Research, Max Planck Society;
Wegmann, R., Jockers, K., & Bonev, T. (1999). H2O+ ions in comets: models and observations. Planetary and Space Science, 47, 745-763.